Analytical Graphics Inc.

James Tucholski

Douglas John Claffey

Paul Leonard Graziani

Don Dichmann

Patrick Cozzi

Francesco Linsalata

Michael Bartholomew

A device and method for displaying data simultaneously in two-dimensional and three-dimensional formats. A user selects data to be represented in multiple formats simultaneously. A data rendition server retrieves the data and determines the three-dimensional representations that are possible. The user then selects the three-dimensional representation desired, and the server renders the data to the user in both two-dimensional and three-dimensional formats. The data may be rendered together with static data such as digital terrain data and other static data types. Data representations may be rotated and morphed as desired by the user.

System and method for data rendering and transformation images in 2- and 3- dimensional images

A method and apparatus for modeling the exposure of spacecraft-mounted solar power panels to the sun over a given time interval, such as an orbit period, and a method and apparatus for modeling the drag of spacecraft over a given time interval, such as an orbit period. The result of the exposure modeling can be used to determine varying availability of electrical power for operations to be performed by the spacecraft and on-board apparatus. The results of the drag over time are used to predict orbit decay and fuel requirements for orbit maintenance and station-keeping. The invention uses a graphically based satellite systems analysis program to approximate exposure and drag data through visual projection of the relevant spacecraft elements on a computer display screen.

Method and apparatus for determination of spacecraft drag

Method and apparatus for determining exposure of spacecraft-mounted

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King of Prussia, PA, United States of America

James Tucholski